Physics · Current Electricity
If both the length and the radius of a cylindrical conducting wire are doubled, then:
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1the resistance is doubled and the electrical resistivity is halved
- 2the resistance is halved and the electrical resistivity remains the same✓
- 3the resistance is halved and the electrical resistivity is doubled
- 4the resistance is doubled and the electrical resistivity remains the same
Correct answer
the resistance is halved and the electrical resistivity remains the same
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